Buick LaCrosse II (2009-2013) w/ rear seat entertainment Wiring diagrams

BLK WIRE BODY CONTROL MODULE BRN WIRE DRIVER DRIVER BACK CUSHION SEAT SEAT BLOWER BLOWER MOTOR ASSEMBLY DRIVER SEATBACK VIDEO DISPLAY FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 5) FROM IGNITION MAIN RELAY (DIAGRAM 4 OF 5) FUSE HTD WHL FUSE IGNITION IGNITION MAIN RELAY KEYLESS ENTRY CONTROL MODULE (IF EQUIPPED) LT GRN/VIO WIRE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER SEATBACK VIDEO DISPLAY PNK WIRE REAR BODY FUSE BLOCK (ON LEFT REAR WHEELHOUSE) REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR WINDOW SUNSHADE CONTROL MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/DK BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY RUN WIRE STEERING COLUMN FUSE HOLDER STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE (IF EQUIPPED) SUSPENSION CONTROL MODULE VIO WIRE VIO/BLK WIRE W/ CLIMATE CONTROL W/ DRIVER SEAT W/ HEATED STEERING WHEEL W/ PASSENGER SEAT W/ REAR SEAT ENTERTAINMENT W/O CLIMATE CONTROL

1 2 3 DISPLAY SIGNAL (-) DISPLAY SIGNAL (+) DRAIN WIRE ANTI-LOCK BRAKES SYSTEM BAT POS VOLT BLK WIRE BLK/GRY WIRE BRN WIRE BRN/DK GRN WIRE CAMERA SIG + MICROPHONE SIG (-) CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX DIMMING CTRL DIMMING CTRL CAMERA SIG 2 MICROPHONE SIG (+) DISPLAY SIG + DK BLU WIRE DK BLU/YEL WIRE DRAIN WIRE DRAIN WIRE NAV DISPLAY + RESET FUSE GROUND GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INFO DISPLAY MODULE (W/ NAVIGATION) INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/YEL WIRE NAV DISPLAY TOUCH - LF SPD SENS SIG NAV TOUCH + NAVIGATION ANTENNA NAVIGATION ANTENNA SIGNAL SPLITTER NAVIGATION SYSTEM NCA WIRE RADIO RADIO ANTENNA RADIO ANTENNA MODULE (BEHIND "C" PILLAR TRIM) RED/DK BLU WIRE RED/VIO WIRE REMOTE ENABLE RESET+ VIDEO SYSTEM CIRCUIT VIO WIRE VIO/BLK WIRE W/ DIGITAL AUDIO SYSTEM W/ REAR SEAT ENTERTAINMENT W/O DIGITAL AUDIO SYSTEM W/O W/ NAVIGATION NAVIGATION WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL WIRE

AMPLIFIER CTRL AUDIO SIG (3) AUX DET SIG BATT POS VOLT BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN/DK BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CENTER AUDIO SIG CENTER SIG CGI - COMMON SIG COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CTRL SW SIG DK BLU WIRE DK BLU/BLK WIRE DK BLU/BRN WIRE DK BLU/GRY WIRE DK BLU/VIO WIRE DRAIN WIRE DRIVER SEATBACK VIDEO DISPLAY (W/ REAR SEAT ENTERTAINMENT) FRT LO LVL SIG (-) GM LAN SER DATA GMLAN SERIAL DATA GRN WIRE GRY WIRE GRY/DK GRN WIRE HEADLIGHTS SYSTEM LEFT AUDIO SIG LEFT AUX SIG (2) LF LO LVL SIG LOW LVL (-) LOW LVL SIG (-) LR LO LVL SIG LT GRN WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE LT GRN/YEL WIRE NCA WIRE ORG/ WIRE PASSENGER SEATBACK VIDEO DISPLAY (W/ REAR SEAT ENTERTAINMENT) PPL RADIO RED WIRE REMOTE ENABLE RF LO LVL SIG RIGHT AUDIO SIG RIGHT SIG 2 RIGHT STEERING WHEEL CONTROLS SWITCH RR LO LVL SIG SEEK DOWN SEEK UP SOURCE STACK RESET SIG STEERING WHEEL AIR BAG COIL SW REF VOLT VIDEO SYSTEM CIRCUIT VIO WIRE VIO/DK BLU WIRE VOICE LOW REF VOICE MUTE VOICE SIG VOL (-) W/ REAR SEAT ENTERTAINMENT WHT WIRE WHT/BLK WIRE WHT/VIO WIRE YEL WIRE

1 2 3 DISPLAY SIGNAL (-) DISPLAY SIGNAL (+) DRAIN WIRE ANTI-LOCK BRAKES SYSTEM BAT POS VOLT BLK WIRE BLK/GRY WIRE BRN WIRE BRN/DK GRN WIRE CAMERA SIG + MICROPHONE SIG (-) CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX DIMMING CTRL DIMMING CTRL CAMERA SIG 2 MICROPHONE SIG (+) DISPLAY SIG + DK BLU WIRE DK BLU/YEL WIRE DRAIN WIRE DRAIN WIRE NAV DISPLAY + RESET FUSE GROUND GRY WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INFO DISPLAY MODULE (W/ NAVIGATION) INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/YEL WIRE NAV DISPLAY TOUCH - LF SPD SENS SIG NAV TOUCH + NAVIGATION ANTENNA NAVIGATION ANTENNA SIGNAL SPLITTER NAVIGATION SYSTEM NCA WIRE RADIO RADIO ANTENNA RADIO ANTENNA MODULE (BEHIND "C" PILLAR TRIM) RED WIRE RED/DK BLU WIRE RED/VIO WIRE REMOTE ENABLE RESET+ VIDEO SYSTEM CIRCUIT VIO WIRE VIO/BLK WIRE W/ DIGITAL AUDIO SYSTEM W/ NAVIGATION W/ REAR SEAT ENTERTAINMENT W/O DIGITAL AUDIO SYSTEM W/O NAVIGATION WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL WIRE